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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "SVGFEComponentTransferElement.h"
#include "ElementIterator.h"
#include "FilterEffect.h"
#include "SVGFEFuncAElement.h"
#include "SVGFEFuncBElement.h"
#include "SVGFEFuncGElement.h"
#include "SVGFEFuncRElement.h"
#include "SVGFilterBuilder.h"
#include "SVGNames.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
// Animated property definitions
DEFINE_ANIMATED_STRING(SVGFEComponentTransferElement, SVGNames::inAttr, In1, in1)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGFEComponentTransferElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(in1)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document& document)
: SVGFilterPrimitiveStandardAttributes(tagName, document)
{
ASSERT(hasTagName(SVGNames::feComponentTransferTag));
registerAnimatedPropertiesForSVGFEComponentTransferElement();
}
Ref<SVGFEComponentTransferElement> SVGFEComponentTransferElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGFEComponentTransferElement(tagName, document));
}
void SVGFEComponentTransferElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::inAttr) {
setIn1BaseValue(value);
return;
}
SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
}
RefPtr<FilterEffect> SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder, Filter& filter)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
if (!input1)
return nullptr;
ComponentTransferFunction red;
ComponentTransferFunction green;
ComponentTransferFunction blue;
ComponentTransferFunction alpha;
for (auto& child : childrenOfType<SVGElement>(*this)) {
if (is<SVGFEFuncRElement>(child))
red = downcast<SVGFEFuncRElement>(child).transferFunction();
else if (is<SVGFEFuncGElement>(child))
green = downcast<SVGFEFuncGElement>(child).transferFunction();
else if (is<SVGFEFuncBElement>(child))
blue = downcast<SVGFEFuncBElement>(child).transferFunction();
else if (is<SVGFEFuncAElement>(child))
alpha = downcast<SVGFEFuncAElement>(child).transferFunction();
}
RefPtr<FilterEffect> effect = FEComponentTransfer::create(filter, red, green, blue, alpha);
effect->inputEffects().append(input1);
return effect;
}
}
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